﻿function getRTime(){
            var EndTime= new Date('2016/07/20 10:00:00'); //截止时间
            var NowTime = new Date();
            var t =EndTime.getTime() - NowTime.getTime();
            /*var d=Math.floor(t/1000/60/60/24);
             t-=d*(1000*60*60*24);
             var h=Math.floor(t/1000/60/60);
             t-=h*60*60*1000;
             var m=Math.floor(t/1000/60);
             t-=m*60*1000;
             var s=Math.floor(t/1000);*/

            var d=Math.floor(t/1000/60/60/24);
            var h=Math.floor(t/1000/60/60%24);
            var m=Math.floor(t/1000/60%60);
            var s=Math.floor(t/1000%60);

            document.getElementById("t_d").innerHTML = d + "天";
            document.getElementById("t_h").innerHTML = h + "时";
            document.getElementById("t_m").innerHTML = m + "分";
            document.getElementById("t_s").innerHTML = s + "秒";
        }
        setInterval(getRTime,1000);